crypto: powerpc/sha1 - prefix the "sha1_" functions

Prefix the PowerPC SHA-1 functions with "powerpc_sha1_" rather than
"sha1_".  This allows us to rename the library function sha_init() to
sha1_init() without causing a naming collision.

Cc: linuxppc-dev@lists.ozlabs.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/powerpc/crypto/sha1.c

@@ -22,7 +22,7 @@
 
 void powerpc_sha_transform(u32 *state, const u8 *src);
 
-static int sha1_init(struct shash_desc *desc)
+static int powerpc_sha1_init(struct shash_desc *desc)
 {
 	struct sha1_state *sctx = shash_desc_ctx(desc);
 
@@ -33,8 +33,8 @@ static int sha1_init(struct shash_desc *desc)
 	return 0;
 }
 
-static int sha1_update(struct shash_desc *desc, const u8 *data,
-			unsigned int len)
+static int powerpc_sha1_update(struct shash_desc *desc, const u8 *data,
+			       unsigned int len)
 {
 	struct sha1_state *sctx = shash_desc_ctx(desc);
 	unsigned int partial, done;
@@ -68,7 +68,7 @@ static int sha1_update(struct shash_desc *desc, const u8 *data,
 
 
 /* Add padding and return the message digest. */
-static int sha1_final(struct shash_desc *desc, u8 *out)
+static int powerpc_sha1_final(struct shash_desc *desc, u8 *out)
 {
 	struct sha1_state *sctx = shash_desc_ctx(desc);
 	__be32 *dst = (__be32 *)out;
@@ -81,10 +81,10 @@ static int sha1_final(struct shash_desc *desc, u8 *out)
 	/* Pad out to 56 mod 64 */
 	index = sctx->count & 0x3f;
 	padlen = (index < 56) ? (56 - index) : ((64+56) - index);
-	sha1_update(desc, padding, padlen);
+	powerpc_sha1_update(desc, padding, padlen);
 
 	/* Append length */
-	sha1_update(desc, (const u8 *)&bits, sizeof(bits));
+	powerpc_sha1_update(desc, (const u8 *)&bits, sizeof(bits));
 
 	/* Store state in digest */
 	for (i = 0; i < 5; i++)
@@ -96,7 +96,7 @@ static int sha1_final(struct shash_desc *desc, u8 *out)
 	return 0;
 }
 
-static int sha1_export(struct shash_desc *desc, void *out)
+static int powerpc_sha1_export(struct shash_desc *desc, void *out)
 {
 	struct sha1_state *sctx = shash_desc_ctx(desc);
 
@@ -104,7 +104,7 @@ static int sha1_export(struct shash_desc *desc, void *out)
 	return 0;
 }
 
-static int sha1_import(struct shash_desc *desc, const void *in)
+static int powerpc_sha1_import(struct shash_desc *desc, const void *in)
 {
 	struct sha1_state *sctx = shash_desc_ctx(desc);
 
@@ -114,11 +114,11 @@ static int sha1_import(struct shash_desc *desc, const void *in)
 
 static struct shash_alg alg = {
 	.digestsize	=	SHA1_DIGEST_SIZE,
-	.init		=	sha1_init,
-	.update		=	sha1_update,
-	.final		=	sha1_final,
-	.export		=	sha1_export,
-	.import		=	sha1_import,
+	.init		=	powerpc_sha1_init,
+	.update		=	powerpc_sha1_update,
+	.final		=	powerpc_sha1_final,
+	.export		=	powerpc_sha1_export,
+	.import		=	powerpc_sha1_import,
 	.descsize	=	sizeof(struct sha1_state),
 	.statesize	=	sizeof(struct sha1_state),
 	.base		=	{